document.write( "Question 955290: Convert the following equation of a parabola into focus form: x2 + 6x = 8y + 15 \n" ); document.write( "
Algebra.Com's Answer #583581 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "The vertex form of a parabola's equation is generally expressed as :\r
\n" ); document.write( "\n" ); document.write( "\"y=a%28x-h%29%5E2%2Bk\" where (\"h\",\"k\") is the vertex\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2+%2B+6x+=+8y+%2B+15\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2+%2B+6x%2B3%5E2%29-3%5E2+=+8y+%2B+15\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x+%2B+3%29%5E2-9+-15=+8y+\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x+%2B+3%29%5E2-24+=+8y\"\r
\n" ); document.write( "\n" ); document.write( "\"y=%281%2F8%29%28x+%2B+3%29%5E2-24%2F8+\"\r
\n" ); document.write( "\n" ); document.write( "\"y=%281%2F8%29%28x+%2B+3%29%5E2-3\"\r
\n" ); document.write( "\n" ); document.write( "focus is at: (\"-3\",\"-3\")\r
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